MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40458250b78202193bec6b8d4f831265477e7756418e1bbd682143491cd03c1a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Quakbot


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments 1

SHA256 hash: 40458250b78202193bec6b8d4f831265477e7756418e1bbd682143491cd03c1a
SHA3-384 hash: decbe1911377fde4c5646b337ea07d9ac1f062b391b8404abf018e596ac7584257801206a1aa66cf9747b7f439439178
SHA1 hash: 9292d3bf0836474f22c936ca04a400d3f4f48557
MD5 hash: 3c5e3d5ef89270a50f27fb84d512a24a
humanhash: wolfram-mike-kilo-oven
File name:Rechnung_2025_11_33828247000801.pdf.lnk
Download: download sample
Signature Quakbot
File size:1'287 bytes
First seen:2025-12-04 15:21:29 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8kJ4JItfJFegAP6d+/x4dBIN8OYqVhH2yncmO:8k8gU3X4dBINVBRc5
TLSH T1FA21AD115BEAAB25F3B60E351873A7398A33F84AEA42CB2D9045414C1C2A6019D7EF67
Magika lnk
Reporter smica83
Tags:lnk opendir Quakbot WsgiDAV

Intelligence


File Origin
# of uploads :
1
# of downloads :
30
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
LNK
Details
LNK
a command line and any observed urls
Verdict:
Malicious
Score:
81.4%
Tags:
stration virus miner
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade opendir webdav wscript
Verdict:
Malicious
File Type:
lnk
First seen:
2025-12-04T12:38:00Z UTC
Last seen:
2025-12-05T00:38:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Downloader.WinLNK.Agent.gen
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
52 / 100
Signature
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected malicious lnk
Behaviour
Behavior Graph:
Verdict:
Malware
YARA:
2 match(es)
Tags:
LNK LNK: Script Execution Malicious T1218
Verdict:
Malicious
Threat:
Trojan-Downloader.WinLNK.Agent
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Script_in_LNK
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Quakbot

Shortcut (lnk) lnk 40458250b78202193bec6b8d4f831265477e7756418e1bbd682143491cd03c1a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
commented on 2025-12-04 15:43:37 UTC

Payload URL:
https://mem-wedding-reputation-regulated.trycloudflare.com/rec.wsh